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Finding the Fourth Proportional to 84,381.33, 126,572 and 25,215.09

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Solution

The fourth proportional to 84,381.33, 126,572 and 25,215.09 is: 37,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,381.33 : 126,572 = 25,215.09 : x
  2. Step 2: Convert to fraction form
    84,381.33/126,572 = 25,215.09/x
  3. Step 3: Cross multiply
    84,381.33x = 126,572 × 25,215.09
  4. Step 4: Simplify right side
    84,381.33x = 3,191,524,371.48
  5. Step 5: Solve for x
    x = 3,191,524,371.48/84,381.33
  6. Step 6: Final answer
    x = 37,822.64

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